Oldest mention I could find of this file "Atleast on /wsg/ using archived.moe's View Same button"
https://archived.moe/wsg/thread/1706287/#q1717174

Random thread that derailed a bit because the 5min looped version was used as it's preview webm.
https://archived.moe/wsg/thread/5637246/

If you do get around to reposting this shippet, just simply upload one of the webm's provided and not waste time making a seperate upload as these files are pretty much already in video form for uploading.